document.write( "Question 477477: Find the vertex and axis of the parabola y-4=-2(x+3)^2 \n" ); document.write( "

Algebra.Com's Answer #327254 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Find the vertex and axis of the parabola y-4=-2(x+3)^2
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document.write( "*Using the vertex form of a parabola,  where(h,k) is the vertex
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document.write( "y-4=-2(x+3)^2 Green
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document.write( "y = -2(x+3)^2 + 4  |vertex (-3,4), line of symmetry is x = -3
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document.write( " a = -2 < 0, Parabola opens downward, Vertex is a maximum point\r
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document.write( "parabola having vertex (-2,1) and containing the point (-3,4). 
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document.write( "* y = a(x+2)^2 + 1, 4 = a(-3+2)^2 + 1, a = 3, y = 3(x+2)^2 + 1  Blue
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document.write( "* f(x) = 2x^2 + 12x+7, f(x) = 2(x+3)^2 -11 Purple V(-3,-11) x = -3
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document.write( "* f(x) = 2x^2 + 6x + 5, f(x) = 2(x+3/2)^2 + 1/2, a = 2>0, V(-3/2,)min Yellow
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document.write( " 9. Find a quadratic equation with integral coefficients (integers) having roots: ,
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document.write( " (x-5/2)(x+5/2) = 0, x^2 - 25/4 = 0, y = x^2 - 25/4
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document.write( "A rectangular corral is made with a total of 100 feet of fencing on three sides. The fourth side is the side of a barn. 
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document.write( "The greatest possible area for the enclosure would be square: 3s = 100, s = 33 1/3ft \n" );
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